Hydromagnetic squeezed and extruded flow of conducting fluid with convective boundary conditions

Basant K. Jha () and Peter B. Malgwi
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Basant K. Jha: Department of Mathematics, Ahmadu Bello University Zaria, Nigeria
Peter B. Malgwi: Department of Mathematics, Ahmadu Bello University Zaria, Nigeria

International Journal of Modern Physics C (IJMPC), 2020, vol. 31, issue 05, 1-14

Abstract: This work investigates the time-dependent squeezed and extruded flow of viscous incompressible and electrically conducting fluid between two convective parallel plates under an impressed transversely applied magnetic field. The governing nonlinear partial differential equations are reduced to dimensionless form using some selected dimensionless parameters and solved numerically in Matlab. A detail analysis illustrating the influence of various governing parameters like extrusion, squeezing, Eckert, Hartmann number, dimensionless time and Biot number on fluid velocity, normal fluid velocity, temperature, rate of heat transfer and local coefficient of skin friction are highlighted and discussed. The results reveal that rate of heat transfer and coefficient of local skin friction can be optimized by increasing/decreasing the squeezing parameter. Also, the result also reveal that increasing the extrusion parameter and the Hartmann number reduces the rate of heat transfer and enhances the coefficient of local skin efriction.

Keywords: MHD; extrusion; squeezing; convective boundary; viscous dissipation (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1142/S0129183120500758

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